/// <summary>
/// Get the target's position where the character will move
/// </summary>
private void _GetDestination()
{
// Leader node : target is the mouse cursor position
if (_isLeader)
{
_targetGlobalPosition = GetGlobalMousePosition();
}
// Node follow another node : target is the node to follow and keep the distance
else if (_isNodeFollower)
{
_targetGlobalPosition = Nucleus_Steering.Steering_CalculateDistanceBetweenFollowers(_nodeToFollow.GlobalPosition, GlobalPosition, Follow_Offset);
}
// Node flee : target to run away is the leader position
else if (_isFlee)
{
_targetGlobalPosition = Nucleus_Steering.LeaderToFollow.GlobalPosition;
}
// Node follow leader : target is the leader position and keep the distance
else if (!_isFlee && !_isWander)
{
_targetGlobalPosition = Nucleus_Steering.Steering_CalculateDistanceBetweenFollowers(Nucleus_Steering.LeaderToFollow.GlobalPosition, GlobalPosition, Follow_Offset);
}
// Stay at the same position
else if (!_isWander)
{
_targetGlobalPosition = GlobalPosition;
}
}
/// <summary>
/// Calculate velocity between the character and the target (cursor), then move the character
/// </summary>
private void _MoveCharacter()
{
// Perform calcul only if the node have to move
if (_targetGlobalPosition != GlobalPosition)
{
if (_isFlee)
{
_velocity = Nucleus_Steering.Steering_Flee(_velocity, GlobalPosition, _targetGlobalPosition, MaxSpeed, FleeRadius, Mass);
}
else
{
_velocity = Nucleus_Steering.Steering_Seek(_velocity, GlobalPosition, _targetGlobalPosition, MaxSpeed, SlowRadius, Mass);
}
// Move the character
if (_velocity != Nucleus_Utils.VECTOR_0)
{
_velocity = MoveAndSlide(_velocity);
_sprite.Rotation = _velocity.Angle(); // point the character direction towards the destination
}
}
}
